Explain advantages of storage batteries

Explain advantages of storage batteries
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Few advantages of storage batteries are mentioned below: • Most efficient form of storing energy portably. • Stored energy is available immediately because there is no lag of time for delivering the stored energy. • Reliable source for supply of energy. • The energy can be drawn at a fairly constant rate.
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Batteries 'A' and 'B' shown in the illustration are 6 volts each and batteries 'C' and 'D' are 24 volts each. If 'A' and 'B' were reconnected to be in series-opposing to 'C' and 'D' respectively, the result would be _______________. EL-0039 A. 18 volts, negative at the top terminal B. 18 volts, positive at the top terminal C. 30 volts, negative at the bottom terminal D. 30 volts, positive at the bottom terminal

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Before using a volt-ohmmeter to measure resistance readings, you should _____________. A. replace all batteries B. test the insulation resistance of the leads C. make sure the test leads do not touch D. hold the leads together and 'zero' the meter

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Last Answer : Answer: D

Prior to taking a resistance reading with a volt-ohm-milliammeter, the 'zero' setting must be adjusted. After clipping the two leads together, you find the adjustment knob will not return the pointer to 'zero'. This is most likely an indication of ______ A. an improper resistance range setting B. weak batteries C. a faulty zero ohms knob D. a faulty meter movement

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Before measuring an unknown resistance with an ohmmeter, you should _____________. A. adjust the meter's pointers to mid-scale B. change the meter's batteries C. center the meter's pointer at infinity D. short the test leads and calibrate the meter

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Last Answer : Answer: D

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Last Answer : Answer: B